X波段无人机载SAR发射机的设计

Design of the transmitter of an X-band SAR in unmanned aerial vehicle

介绍了一种无人机载SAR发射机的设计,主要叙述了系统的构成,以及高压电源、辅助电源、调制器和监控电路的设计。解决了无人机载SAR发射机面临的体积小、重量轻、高可靠性,以及高空低气压下的绝缘和散热等设计难题。

The design of the transmitter of a SAR in unmanned aerial vehicle is introduced. The composition transmitter is presented; and the designs of HV power supply, the accessorial power supplies , the modulator, and the monitor and control circuits are given in detail. Such transmitter features to have small size, low weight, and high reliability. Problems as insulation and heat dissipation in high altitude and low air pressure are also solved.